Version 4 SHEET 1 944 680 WIRE 0 80 -16 80 WIRE 240 80 224 80 FLAG -16 80 A IOPIN -16 80 In FLAG 240 80 Y IOPIN 240 80 Out SYMBOL .\\standard_inverter 48 32 R0 SYMATTR InstName U1 SYMBOL .\\standard_inverter 160 32 R0 SYMATTR InstName U2